[PATCH v2 1/8] arm: dts: omap3: Add cpu_thermal zone

From: Keerthy
Date: Thu Mar 09 2017 - 03:09:35 EST


Add cpu_thermal zone.

Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
arch/arm/boot/dts/omap3-cpu-thermal.dtsi | 20 ++++++++++++++++++++
arch/arm/boot/dts/omap34xx.dtsi | 8 ++++++--
arch/arm/boot/dts/omap36xx.dtsi | 8 ++++++--
3 files changed, 32 insertions(+), 4 deletions(-)
create mode 100644 arch/arm/boot/dts/omap3-cpu-thermal.dtsi

diff --git a/arch/arm/boot/dts/omap3-cpu-thermal.dtsi b/arch/arm/boot/dts/omap3-cpu-thermal.dtsi
new file mode 100644
index 0000000..8dc3aa5
--- /dev/null
+++ b/arch/arm/boot/dts/omap3-cpu-thermal.dtsi
@@ -0,0 +1,20 @@
+/*
+ * Device Tree Source for OMAP3 SoC CPU thermal
+ *
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/thermal/thermal.h>
+
+cpu_thermal: cpu_thermal {
+ polling-delay-passive = <250>; /* milliseconds */
+ polling-delay = <1000>; /* milliseconds */
+ coefficients = <0 20000>;
+
+ /* sensor ID */
+ thermal-sensors = <&bandgap 0>;
+};
diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi
index 834fdf1..ac4f879 100644
--- a/arch/arm/boot/dts/omap34xx.dtsi
+++ b/arch/arm/boot/dts/omap34xx.dtsi
@@ -14,7 +14,7 @@

/ {
cpus {
- cpu@0 {
+ cpu: cpu@0 {
/* OMAP343x/OMAP35xx variants OPP1-5 */
operating-points = <
/* kHz uV */
@@ -56,12 +56,16 @@
};
};

- bandgap@48002524 {
+ bandgap: bandgap@48002524 {
reg = <0x48002524 0x4>;
compatible = "ti,omap34xx-bandgap";
#thermal-sensor-cells = <0>;
};
};
+
+ thermal_zones: thermal-zones {
+ #include "omap3-cpu-thermal.dtsi"
+ };
};

&ssi {
diff --git a/arch/arm/boot/dts/omap36xx.dtsi b/arch/arm/boot/dts/omap36xx.dtsi
index d1a3e56..ade31d7 100644
--- a/arch/arm/boot/dts/omap36xx.dtsi
+++ b/arch/arm/boot/dts/omap36xx.dtsi
@@ -19,7 +19,7 @@

cpus {
/* OMAP3630/OMAP37xx 'standard device' variants OPP50 to OPP130 */
- cpu@0 {
+ cpu: cpu@0 {
operating-points = <
/* kHz uV */
300000 1012500
@@ -88,12 +88,16 @@
};
};

- bandgap@48002524 {
+ bandgap: bandgap@48002524 {
reg = <0x48002524 0x4>;
compatible = "ti,omap36xx-bandgap";
#thermal-sensor-cells = <0>;
};
};
+
+ thermal_zones: thermal-zones {
+ #include "omap3-cpu-thermal.dtsi"
+ };
};

/* OMAP3630 needs dss_96m_fck for VENC */
--
1.9.1